FR-Liquid
FR-Liquid is a table-top optical tool for the real time monitoring of changes in thickness and optical constants of thin/thick (n & k) films during processing in liquids. It is based on FR-Basic platform with the addition of a Teflon cell for hosting the sample under test. In this configuration the reflection probe is placed horizontally outside the Teflon cell at a very short distance from the glass window. A stirrer located underneath the working area provides for mechanical agitation of the solution if necessary.

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